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-rw-r--r--actionview/lib/action_view/helpers/capture_helper.rb5
1 files changed, 5 insertions, 0 deletions
diff --git a/actionview/lib/action_view/helpers/capture_helper.rb b/actionview/lib/action_view/helpers/capture_helper.rb
index 92f7ddb70d..63707280a3 100644
--- a/actionview/lib/action_view/helpers/capture_helper.rb
+++ b/actionview/lib/action_view/helpers/capture_helper.rb
@@ -36,6 +36,11 @@ module ActionView
# </body>
# </html>
#
+ # The output of `capture` is the rendered string. For Example:
+ #
+ # puts @greeting
+ # # => "Welcome to my shiny new web page! The date and time is 2018-09-06 11:09:16 -0500"
+ #
def capture(*args)
value = nil
buffer = with_output_buffer { value = yield(*args) }